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SC: Make some key size classes static.

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The largest small class, smallest large class, and largest large class may all
be needed down fast paths; to avoid the risk of touching another cache line, we
can make them available as constants.
This commit is contained in:
David Goldblatt
2018-07-11 16:05:58 -07:00
committed by David Goldblatt
parent 5112d9e5fd
commit 55e5cc1341
18 changed files with 129 additions and 96 deletions
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4
test/unit/junk.c
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@@ -123,13 +123,13 @@ test_junk(size_t sz_min, size_t sz_max) {
TEST_BEGIN(test_junk_small) {
test_skip_if(!config_fill);
test_junk(1, sc_data_global.small_maxclass - 1);
test_junk(1, SC_SMALL_MAXCLASS - 1);
}
TEST_END
TEST_BEGIN(test_junk_large) {
test_skip_if(!config_fill);
test_junk(sc_data_global.small_maxclass + 1,
test_junk(SC_SMALL_MAXCLASS + 1,
(1U << (sc_data_global.lg_large_minclass + 1)));
}
TEST_END

2
test/unit/mallctl.c
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@@ -721,7 +721,7 @@ TEST_BEGIN(test_arenas_lextent_constants) {
} while (0)
TEST_ARENAS_LEXTENT_CONSTANT(size_t, size,
sc_data_global.large_minclass);
SC_LARGE_MINCLASS);
#undef TEST_ARENAS_LEXTENT_CONSTANT
}

4
test/unit/rtree.c
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@@ -85,8 +85,8 @@ TEST_END
TEST_BEGIN(test_rtree_extrema) {
extent_t extent_a, extent_b;
extent_init(&extent_a, NULL, NULL, sc_data_global.large_minclass, false,
sz_size2index(sc_data_global.large_minclass), 0,
extent_init(&extent_a, NULL, NULL, SC_LARGE_MINCLASS, false,
sz_size2index(SC_LARGE_MINCLASS), 0,
extent_state_active, false, false, true);
extent_init(&extent_b, NULL, NULL, 0, false, SC_NSIZES, 0,
extent_state_active, false, false, true);

6
test/unit/stats.c
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@@ -33,7 +33,7 @@ TEST_BEGIN(test_stats_large) {
size_t sz;
int expected = config_stats ? 0 : ENOENT;
p = mallocx(sc_data_global.small_maxclass + 1, MALLOCX_ARENA(0));
p = mallocx(SC_SMALL_MAXCLASS + 1, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
@@ -74,7 +74,7 @@ TEST_BEGIN(test_stats_arenas_summary) {
uint64_t dirty_npurge, dirty_nmadvise, dirty_purged;
uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged;
little = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
little = mallocx(SC_SMALL_MAXCLASS, MALLOCX_ARENA(0));
assert_ptr_not_null(little, "Unexpected mallocx() failure");
large = mallocx((1U << sc_data_global.lg_large_minclass),
MALLOCX_ARENA(0));
@@ -149,7 +149,7 @@ TEST_BEGIN(test_stats_arenas_small) {
no_lazy_lock(); /* Lazy locking would dodge tcache testing. */
p = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
p = mallocx(SC_SMALL_MAXCLASS, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),

4
test/unit/zero.c
View File

@@ -41,13 +41,13 @@ test_zero(size_t sz_min, size_t sz_max) {
TEST_BEGIN(test_zero_small) {
test_skip_if(!config_fill);
test_zero(1, sc_data_global.small_maxclass - 1);
test_zero(1, SC_SMALL_MAXCLASS - 1);
}
TEST_END
TEST_BEGIN(test_zero_large) {
test_skip_if(!config_fill);
test_zero(sc_data_global.small_maxclass + 1,
test_zero(SC_SMALL_MAXCLASS + 1,
1U << (sc_data_global.lg_large_minclass + 1));
}
TEST_END